@CHARSET "UTF-8";
*{
	margin: 0px;
	padding: 0px;
}
body{
	margin: 0px auto;
	width: 800px;
	height:1000px;
	border: 2px solid red; 
}
.box1{
	border: 5px solid pink;
	width: 500px;
	height: 500px;
	background-color: #f00;
	margin-top: 50px;
}
.box2{
	width: 300px;
	height: 300px;
	border: 2px solid green;
	background-color: #006699;
	margin: 30px;
	padding: 20px;
}
.box3{
	width: 100px;
	height: 100px;
	border: 2px solid #990066;
	background-color: rgba(255,255,0,0.3);
	margin: 0px auto;
	padding: 20px;
}
